Environmental Nutrition

Research Roundup

March 2000 Issue

Diet and Cancer News

Beta-carotene supplements were found to be neither beneficial nor harmful in a Harvard study of nearly 40,000 women. Participants took either 50 milligrams of beta-carotene or a placebo on alternate days for a little more than two years. After four years, there were no differences in incidence of cancer (including cancers of the breast, lung, colon and ovaries), heart attacks, strokes or death from any cause. Unlike two previous studies, the beta-carotene supplements

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